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Bitdefender VPNの使い方:2026年にすべての機能を習得しよう

執筆者 | Last updated Sep 22, 2026

クイックスタート

このガイドでは、Bitdefender VPNのすべての機能について説明します。

所要時間: 各作品につき5分

このガイドには以下の内容も含まれています。 プロのヒント | よくある間違い | トラブルシューティング | 価格 | 代替案

このガイドを信頼する理由

I have run Bitdefender VPN for two years across a Windows PC, a Mac, and a phone.

Every screen below is one I opened myself.

How to use Bitdefender VPN

ビットディフェンダー VPN encrypts your internet connection and hides your IP address.

It ships free with every Bitdefender 安全 solution, capped at 200 MB of traffic a day.

This guide shows you how to use Bitdefender VPN properly, feature by feature.

Setup first, then the settings most people never open.

Bitdefender VPNチュートリアル

This How to Use Bitdefender VPN tutorial walks through the Bitdefender VPN app from install to the advanced settings.

ビットディフェンダーVPN

Hide your IP address on any network with one click. Bitdefender Premium VPN unlocks over 3,000 servers in more than 100 countries and covers ten デバイス. Start free, then upgrade when the 200 MB daily cap gets in your way.

Bitdefender VPNを使い始める

機能を使用する前に、この初回設定を完了してください。

約3分かかります。

Here is what the first week looked like for me:

無題のデザイン 8 8

それでは、各ステップを順を追って見ていきましょう。

Step 1: Create Your Bitdefender Central Account

Open a Bitdefender Central account with the email address you paid with.

Find the purchase email you received after buying Bitdefender Premium VPN.

Click ACTIVATE SUBSCRIPTION, paste the activation code, and accept the subscription agreement.

You can also buy a subscription directly inside the free app.

✓ チェックポイント: Your Bitdefender account shows an active Bitdefender Premium VPN subscription.

ステップ2:アプリをインストールする

Three routes work: the product page, Bitdefender Central, or an existing suite.

On the Bitdefender Central homepage, open the list of Bitdefender subscription products.

Click the cloud icon beside your plan, then click Install software.

Choose Download for this device and the Bitdefender installer will start downloading.

Run it, follow the on-screen instructions, and enter your administrator username when asked.

To install Bitdefender on Windows, check the requirement first.

Any Windows PC newer than Windows 7 with Service Pack 1 works.

Already running a Bitdefender security solution? Open Privacy and click Install Bitdefender VPN instead.

これがその様子です。

無題のデザイン 2 35

✓ チェックポイント: The install button reads Installed once the app is successfully installed.

Step 3: Launch It Once

Launch Bitdefender VPN from the Start menu or Applications folder.

に マック, click Open Security Preferences when the prompt appears on your Mac’s screen.

Approve the profile so the VPN interface can route your internet connection.

✅ 完了: これで、以下のすべての機能をご利用いただけます。

How to Use Bitdefender VPN Platform

統合プラットフォーム lets you reach the VPN app, antivirus, and privacy tools from one Bitdefender interface.

以下に、その使用方法をステップごとに説明します。

Step 1: Open the Bitdefender Interface

Open your Bitdefender Total Security app from the system tray.

The left sidebar lists every module tied to your plan.

Step 2: Open the Privacy Panel

Click the Privacy icon in the left sidebar.

The Privacy window groups VPN, パスワードマネージャー, and Anti-tracker together.

これがその様子です。

無題のデザイン 4 31

✓ チェックポイント: The VPN panel shows a Connect button and your current status.

Step 3: Pin the Modules You Open Daily

Use the drop-down menu on any tile to send it to the dashboard.

✅ 結果: Every privacy tool now sits two clicks away.

💡 プロのヒント: Right-click the tray icon to open the VPN panel without loading the full dashboard.

How to Use Bitdefender VPN Threat Detector

Simplify Threat Detection lets you catch risky files and pages before they touch your device.

以下に、その使用方法をステップごとに説明します。

ステップ1:システムスキャンを実行する

Open the Protection panel and start a System Scan.

Bitdefender Antivirus checks running processes first, so results arrive fast.

Step 2: Turn On Online Threat Prevention

Flip the toggle for web filtering and leave it on.

It blocks pages built by malicious actors before they load.

これがその様子です。

無題のデザイン 5 23

✓ チェックポイント: The Protection panel reports zero pending issues.

Step 3: Keep the Tunnel On in Cafes

Connect the VPN whenever you join public Wi-Fi.

Scanning stops bad files, and the tunnel hides what you send over that Wi-Fi network.

✅ 結果: Both layers of the security solution now run at once.

💡 プロのヒント: Schedule the weekly scan for a lunch hour so it never competes with a video call.

How to Use Bitdefender VPN Managed Detector and Responser

マネージド検出および対応 lets you get told what went wrong and what to do about it.

以下に、その使用方法をステップごとに説明します。

Step 1: Open Your Account Dashboard

Sign in to Bitdefender Central in any browser.

Every device on your plan reports its status here.

Step 2: Switch On Alerts

Open Notifications and tick the corresponding box for each device.

You then receive Bitdefender VPN notifications the moment a session drops.

これがその様子です。

無題のデザイン 6 14

✓ チェックポイント: The bell icon shows a green status for every listed device.

Step 3: Read the Weekly Report

Skim the report for repeat warnings on one device.

✅ 結果: Nothing fails quietly on a machine you rarely touch.

💡 プロのヒント: Turn off marketing alerts in the same screen so real warnings stand out.

How to Use Bitdefender VPN AI-Powered Cybersecurity

AIを活用したサイバーセキュリティ lets you pick the fastest route through an extensive network of servers.

以下に、その使用方法をステップごとに説明します。

Step 1: Hit Connect

Click the main connect button for instant encryption and IP masking.

Bitdefender VPN encrypts the traffic and swaps your real IP address for a shared one.

Step 2: Choose a Location

Open Locations and keep Automatic for speed, or pick a country.

Premium features open the full list of over 3,000 servers in more than 100 countries.

これがその様子です。

無題のデザイン 7 11

✓ チェックポイント: The dashboard shows secured traffic, connection time, and recent locations.

Step 3: Match the Protocol to the Network

WireGuardと オープンVPN in settings when speeds dip.

✅ 結果: Your online activities leave the device already wrapped.

💡 プロのヒント: When a site blocks you, try a neighbouring country instead of the same city.

How to Use Bitdefender VPN Security

手間いらずのセキュリティ lets you keep the VPN app connected without remembering to press anything.

以下に、その使用方法をステップごとに説明します。

Step 1: Enable Startup Options

Open Settings and turn on Open on Startup and Connect on Startup.

Your internet connection is then encrypted from the first second of the session.

Step 2: Add an Auto-Connect Rule

Set the app to connect on public or unsecured networks.

Bitdefender Internet Security users get the same free tier, capped at 200 MB a day.

これがその様子です。

無題のデザイン 3 31

✓ チェックポイント: The status line reads Connected before you open a browser.

Step 3: Set Split Tunneling

List the apps that should bypass the tunnel and keep access to local devices.

✅ 結果: The Bitdefender security solution protects you without a single click.

💡 プロのヒント: Leave your printer app outside the tunnel so home printing keeps working.

How to Use Bitdefender VPN Device Security

Device Security lets you cover a phone or tablet with the same subscription.

以下に、その使用方法をステップごとに説明します。

Step 1: Find the App on Mobile

Open the Google Play Store on your アンドロイド スマートフォン。

Tap the search icon, type Bitdefender VPN in the search bar, then press the search key.

Pick the official entry from the search results.

Step 2: Install and Open

Tap the install button, click Install if a prompt appears, and wait for it to finish.

これがその様子です。

Bitdefenderレビュー|Bitdefenderは今年、あなたのデバイスを安全に保つことができるのか?

✓ チェックポイント: The phone shows Connected with the same country as your desktop.

Step 3: Sign In Once

Use the same account on every Android device and iOS device you own.

✅ 結果: Premium covers up to ten devices at the same time.

💡 プロのヒント: Add the widget to your home screen so the phone connects in one tap.

How to Use Bitdefender Cyberpedia

Bitdefender Cyberpedia lets you look up any security term you meet inside the app.

以下に、その使用方法をステップごとに説明します。

ステップ1:ライブラリを開く

Visit the Cyberpedia section published by Bitdefender SRL.

Step 2: Search the Term

Type the phrase from your alert, such as DNS leak or kill switch.

Each entry explains the risk and the fix in a few paragraphs.

これがその様子です。

VPNが実際にインターネット速度を向上させる方法 - Bitdefender Cyber​​pedia

✓ チェックポイント: You can explain the alert in your own words.

Step 3: Apply It

Change the one setting the entry points at, then re-test.

✅ 結果: Warnings stop being noise you dismiss.

💡 プロのヒント: Most people who use Bitdefender skip this library, then guess at settings instead.

How to Use Bitdefender VPN Digital Identity Protector

Digital Identity Protection lets you see where your personal データ has already leaked.

以下に、その使用方法をステップごとに説明します。

Step 1: Open Identity Protection

Launch the module from your account dashboard.

Step 2: Add What You Want Watched

Enter each email address and phone number you still use.

The first scan pulls years of old breach records.

これがその様子です。

Bitdefender Digital Identity Protectionはあなたの個人情報を安全に保ちます

✓ チェックポイント: Every account shows either Resolved or Action needed.

Step 3: Work Through the List

Change the flagged passwords with the VPN running so your IP address stays hidden.

✅ 結果: You know which old accounts are worth closing.

💡 プロのヒント: Start with the breaches that exposed passwords, not the ones that only exposed an email.

Bitdefender VPN Proのヒントとショートカット

After two years with the app, these are the habits that saved me time.

キーボードショートカット

アクションショートカット
Open the app from the system trayDouble-click the tray icon
Connect to the highlighted server入力
Move through the location listTab, then arrow keys
Send the window back to the trayESC

ほとんどの人が見逃す隠れた機能

  • DNS-level ad blocking: Turn on the ad blocker in Settings and trackers get dropped before the page loads.
  • スプリットトンネリング: Let banking apps skip the tunnel while everything else stays encrypted.
  • Traffic dashboard: The main screen logs secured traffic and connection time, which shows how much of the free cap is left.

Bitdefender VPNでよくある間違いを避ける方法

Mistake #1: Streaming on the Free Tier

❌ 間違い: Starting a film on the free plan, which stops at 200 MB a day.

✅ 右: Upgrade to Premium for unlimited traffic, or save the free allowance for logins and banking.

Mistake #2: Leaving the Protocol Alone

❌ 間違い: Blaming the service when a ホテル network throttles the default protocol.

✅ 右: Switch between WireGuard and OpenVPN in settings and re-test before giving up.

Mistake #3: Dismissing the First Permission Prompt

❌ 間違い: Closing the macOS prompt, then wondering why the app never connects.

✅ 右: Grant permission in Security and Privacy settings the first time you connect.

Bitdefender VPNのトラブルシューティング

Problem: The App Will Not Connect

原因: The system profile was never approved.

修理: Reopen the app, allow the profile, and restart the machine once.

Problem: Speeds Drop Sharply

原因: A distant server, or a protocol the network dislikes.

修理: Set Locations back to Automatic, then try the other protocol.

Problem: The Subscription Does Not Appear

原因: The app is signed in to a different account.

修理: Sign out, sign back in with the email you paid with, and refresh.

📌 注記: If none of these fix your issue, contact Bitdefender support.

Bitdefender VPN とは何ですか?

ビットディフェンダーVPN is a privacy tool that encrypts your traffic and hides your IP address.

Think of it as a sealed envelope around everything your device sends.

Connected, you ブラウズ the internet anonymously and securely on any network.

こちらの簡単な概要をご覧ください。

Bitdefender VPNレビュー:テスト後の最終評価

主な機能は以下のとおりです。

  • 統合プラットフォーム: One Bitdefender interface for the VPN, antivirus, and privacy tools you own
  • Simplify Threat Detection: Scanning and web filtering that run beside the tunnel, not against it
  • Managed Detection and Response: Alerts and weekly reports that explain each event in plain language
  • AI-Powered Cybersecurity: Automatic server picking across 3,000+ servers in more than 100 countries
  • Effortless Security: Startup and auto-connect rules that protect the connection before you log in
  • Device Security: One subscription covering up to ten devices across desktop and mobile
  • Bitdefender Cyberpedia: A plain-English library explaining the terms the apps put in front of you
  • Digital Identity Protection: Breach monitoring for the email addresses and numbers tied to your accounts

詳細なレビューについては、こちらをご覧ください。 Bitdefender VPNのレビュー.

Bitdefenderのホームページ

Bitdefender VPNの価格設定

Here’s what Bitdefender costs in 2026:

プラン価格最適な用途
Bitdefender Total Security年間59.99ドルHouseholds covering up to five devices
Bitdefender Premium Security年間79.99ドルAnyone who wants unlimited VPN traffic
Bitdefender Ultimate Security年間89.99ドルAdding identity monitoring to the bundle
Bitdefender Ultimate Security Plus年間119.99ドルFull identity restoration support

無料トライアル: Yes — the free tier is built in, limited to 200 MB a day.

返金保証: Yes — 30 days on annual plans.

Bitdefenderの価格設定

💰 最もお得な価格: Bitdefender Premium Security — it removes the daily cap and keeps the antivirus.

Bitdefender VPNと代替VPNの比較

How does Bitdefender VPN compare? Here is the landscape.

道具最適な用途価格評価
ビットディフェンダーVPNBundled privacy年間59.99ドル⭐ 4.6
ノードVPNスピード月額3.39ドル⭐ 4.8
エクスプレスVPN信頼性月額8.32ドル⭐ 4.7
サーフシャーク VPNデバイス数無制限月額2.19ドル⭐ 4.7
プロトンVPNPrivacy record月額4.99ドル⭐ 4.6
サイバーゴーストストリーミング月額2.19ドル⭐ 4.5
ピュアVPNBudget plans$2.11/mo⭐ 4.3
プライベートインターネットアクセスManual control月額2.03ドル⭐ 4.5

おすすめ商品:

  • 総合ベスト: NordVPN — fastest servers and the widest network.
  • ベスト予算: Surfshark VPN — unlimited devices for the price of one.
  • 初心者におすすめ: Bitdefender VPN — one button, already inside your antivirus.
  • ストリーミングに最適: CyberGhost — servers labelled by platform.

🎯 Bitdefender VPNの代替案

Looking for Bitdefender VPN alternatives? These are the ones worth testing:

  • 🚀 ノルドVPN: Bigger server count and faster speeds for streaming and torrenting.
  • 💰 エクスプレスVPN: Works in restrictive countries where cheaper apps get blocked.
  • 🎨 ピュアVPN: Cheap long plans with dedicated IP add-ons for remote work.
  • ⚡ Surfshark VPN: Unlimited devices on one plan, which beats the ten-device cap.
  • 🔒 プロトンVPN: Swiss privacy law and a free tier without a daily data cap.
  • 🧠 プライベートVPN: Ten free gigabytes a month, far above the 200 MB limit here.
  • 👶 アドガードVPN: Pairs a light tunnel with the best ad filtering in the group.
  • 🏢 バーチャルシールド: Router-level setup for people who want whole-home coverage.
  • 🔧 強力なVPN: Simple apps and stable connections for non-technical households.
  • 🌟 最速VPN: Lifetime deals that cost less than one year of most rivals.
  • ⭐ Aura VPN: Bundled with identity monitoring for families on one bill.
  • 🎯 サイバーゴースト: Servers labelled by streaming service, so guessing stops.
  • 💼 マカフィー VPN: The closest match if you already run McAfee security.
  • 📊 プライベートインターネットアクセス: Deep manual controls for people who tune encryption settings.
  • 🔥 ミステリウム: A decentralised network with pay-per-gigabyte billing.
  • 🚀 SafeShell VPN: Built around streaming libraries rather than general browsing.
  • 💰 オイスターVPN: A small, low-cost app for one or two devices.

全リストについては、こちらをご覧ください。 Bitdefender VPNの代替 ガイド。

⚔️ Bitdefender VPNの比較

Here is the head-to-head against each one:

今すぐBitdefender VPNを使い始めましょう

You now know how to use every major feature:

  • ✅ Unified Platform
  • ✅ Simplify Threat Detection
  • ✅ Managed Detection and Response
  • ✅ AIを活用したサイバーセキュリティ
  • ✅ Effortless Security
  • ✅ Device Security
  • ✅ Bitdefender Cyberpedia
  • ✅ Digital Identity Protection

次のステップ: どれか一つの機能を選んで、今すぐ試してみてください。

Most people start with the Unified Platform.

5分もかかりません。

よくある質問

Bitdefender VPNを使うのは良いことですか?

Yes, for everyday privacy. It encrypts traffic, blocks trackers at DNS level, and sits inside software you already pay for. Dedicated rivals still win on speed.

Bitdefender VPNはIPアドレスを隠してくれますか?

Yes. Once connected, sites see the server IP address instead of yours. The traffic between your device and that server stays encrypted.

BitdefenderにはVPN機能が内蔵されていますか?

Yes. Every Bitdefender security solution includes the VPN free, capped at 200 MB a day. Premium removes the cap and opens all servers.

Bitdefender VPNはインターネットの速度を低下させますか?

Slightly, like any VPN. Automatic server picking keeps the loss small. Switching between WireGuard and OpenVPN usually recovers most of the speed.

Bitdefender VPNの1日の利用制限はどれくらいですか?

The free tier allows 200 MB per day per device, with a short server list. Bitdefender Premium VPN removes both limits.

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